Queen Azshara’s Dressing Gown is a rare archaeology artifact that requires 150 skill to find and 100 Night Elf Archaeology Fragments to solve. Up to three [Highborne Scroll] keystones may be used to complete it.

Solved: That Azshara was the most beautiful of night elves is practically regarded as fact. Unfortunately, her own eye for beauty seems to have been as limited as that of many of her brethren, at least judging from the garish colors of this gown. ‘There has only ever been, only ever will be… one Azshara.

Interestingly enough, depending on whether you prefer the +10% Exp increase of the Tattered Dreadmist Robe or higher stats, the choice is yours.